Igneous Processes and Rocks
Geology · Year 12 · Mineralogy and Petrology · 2.º Período

Igneous Processes and Rocks

Examine the formation of igneous rocks from magma and lava, focusing on cooling rates and crystal size. Classify igneous rocks based on their mineral composition and texture.

National Curriculum Attainment TargetsOCR Geology AS/A-level: 2.2.1 Magma generationOCR Geology AS/A-level: 2.2.2 Igneous rock classification

About This Topic

Examine the formation of igneous rocks from magma and lava, focusing on cooling rates and crystal size. Classify igneous rocks based on their mineral composition and texture.

Key Questions

  1. How does cooling rate affect the texture of igneous rocks?
  2. What is the difference between mafic and felsic magmas?
  3. How do intrusive and extrusive environments shape rock formation?

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